/Engine/Source/Runtime/AIModule/Classes/Navigation/CrowdManager.h
Sets NavData as MyNavData. If Null and bFindNewNavDataIfNull is true then the manager will search for a new NavData instance that meets theIsSuitableNavData()condition.
void SetNavData ( [ANavigationData](API\Runtime\NavigationSystem\ANavigationData) * NavData, const bool bFindNewNavDataIfNull )